Is the use of Rubber Rail Pads mandatory in railway construction projects?
No, the use of rubber rail pads is not universally mandatory in all railway construction, but they are an essential and indispensable component for most modern railway systems, especially those with concrete sleepers and high-speed tracks. While traditional timber and spike systems didn't require them, they are crucial for distributing loads, reducing vibration and noise, and minimizing wear on both the track and the sleepers.
| Rubber Rail Pad | ||
| Technical Parameter | Unit | Value |
| Stiffness | KN | 90-130 |
| Hardness Shore A | ℃ | 72-80 degree |
| Electronic Resistance | Ω | ≥ 106 |
| Tensile Strength before Aging | Mpa | ≥12.5 |
| Elongation before Aging | % | ≥250 |
Why rubber pads are standard practice?
- Vibration and shock absorption: Trains create significant forces that cause vibrations. Rubber pads are designed to absorb these shocks, protecting the track structure and providing a smoother ride.
- Load distribution: They spread the load from the rail over a larger surface area of the sleeper, preventing concentrated stress that can lead to fatigue and damage.
- Noise reduction: The pads act as a buffer, dampening the noise generated by the wheels on the rails, which is especially important in urban areas.
- Wear reduction: By cushioning the contact between the rail and the sleeper, they significantly reduce wear and tear on both components, extending the life of the track.
- Sealing and protection: They can also act as a seal against moisture and other contaminants, preventing corrosion and damage to the supporting structure.
When rubber pads might not be used?
- Older systems: In very old, traditional systems using timber sleepers and simple fastenings, rubber pads were not part of the design.
- Specific applications: Some niche or heavy-duty applications might use alternative solutions depending on the specific engineering requirements and budget. However, for modern and high-speed rail, they are considered an essential part of the system.
As a professional rubber rail pad manufacturer GNEE RAIL can produce various standards of rubber rail pads and other rail fasteners. If you want to build a railway line, do not hesitate to contact us, we can supply all types of rubber rail pads with different materials. If necessary, we can make customized rubber rail pad production.
